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70444032 = 210323997
BaseRepresentation
bin1000011001011…
…10010000000000
311220112221001020
410030232100000
5121013202112
610553505440
71513523121
oct414562000
9156487036
1070444032
113684470a
121b712280
1311795979
1494da048
1562b748c
hex432e400

70444032 has 88 divisors (see below), whose sum is σ = 196118976. Its totient is φ = 22437888.

The previous prime is 70444021. The next prime is 70444079. The reversal of 70444032 is 23044407.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 70443993 and 70444011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70158 + ... + 71154.

Almost surely, 270444032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70444032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98059488).

70444032 is an abundant number, since it is smaller than the sum of its proper divisors (125674944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70444032 is a wasteful number, since it uses less digits than its factorization.

70444032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1025 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 70444032 is about 8393.0943042480. The cubic root of 70444032 is about 412.9981141466.

Adding to 70444032 its reverse (23044407), we get a palindrome (93488439).

The spelling of 70444032 in words is "seventy million, four hundred forty-four thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 64 69 92 96 128 138 184 192 256 276 368 384 512 552 736 768 997 1024 1104 1472 1536 1994 2208 2944 2991 3072 3988 4416 5888 5982 7976 8832 11776 11964 15952 17664 22931 23552 23928 31904 35328 45862 47856 63808 68793 70656 91724 95712 127616 137586 183448 191424 255232 275172 366896 382848 510464 550344 733792 765696 1020928 1100688 1467584 1531392 2201376 2935168 3062784 4402752 5870336 8805504 11740672 17611008 23481344 35222016 70444032